SUSE-SU-2025:20303-1: moderate: Security update for krb5

[SLE-UPDATES]

# Security update for krb5

Announcement ID: SUSE-SU-2025:20303-1  
Release Date: 2025-05-08T12:24:20Z  
Rating: moderate  
References:

  * bsc#1236619

  
Cross-References:

  * CVE-2025-24528

  
CVSS scores:

  * CVE-2025-24528 ( SUSE ):  6.0
    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-24528 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Micro 6.1

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for krb5 fixes the following issues:

  * CVE-2025-24528: Prevent overflow when calculating ulog block size. An
    authenticated attacker can cause kadmind to write beyond the end of the
    mapped region for the iprop log file, likely causing a process crash;
    ((bsc#1236619).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Micro 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-94=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    * krb5-debugsource-1.21.3-slfo.1.1_2.1
    * krb5-debuginfo-1.21.3-slfo.1.1_2.1
    * krb5-1.21.3-slfo.1.1_2.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-24528.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1236619

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